(0 17 2)(1 6 3)(4 19 5)(7 12 9)(8 15 13)(10 20 11)(14 18 16)
ALLOWS (11/8)-SEQUENCE
1: (11 14 20)
(0 17 2)(1 6 3)(4 19 5)(7 12 9)(8 15 13)(10 20 18 16 14)(11)
2: (8 15 13)
(0 17 2)(1 6 3)(4 19 5)(7 12 9)(8)(10 20 18 16 14)(11)(13)(15)
3: (7 12 9)
(0 17 2)(1 6 3)(4 19 5)(7)(8)(9)(10 20 18 16 14)(11)(12)(13)(15)
4: (10 20 18)
(0 17 2)(1 6 3)(4 19 5)(7)(8)(9)(10 16 14)(11)(12)(13)(15)(18)(20)